MFM-50

Explosion-proof and safe

Fast response speed

Large measurement range and high resolution

High precision and small size

Good repeatability and reproducibility

High cost performance

Category:

Gas flow measurement and control

Tel:

400 006 6550

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Product Specification

User Manual

CAD file

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MFM-50

50 Series

Product Specifications

Basic Parameters
Medium Requirements	Clean, dry, and free of corrosive gases
Medium Types	Air, nitrogen, oxygen, carbon dioxide, helium, hydrogen, Methane, argon, etc.

Range ¹ (Nitrogen equivalent)	(0~20, 50, 100, 200, 500) sccm (0~1, 5, 10, 50, 100, 200, 500, 800, 1000) slm Other ranges are available, please consult for details


Accuracy	1.0% F.S. ² <50slm 1.5% F.S. ≤100slm and ≥50slm 2.0% F.S. >100slm


Range Ratio	100:1

Response Time ³	10ms
Flow Pressure Loss	≤100Pa (Specific to range)

Repeatability	≤±0.2% F.S.

Resolution	0.01 sccm, ≤100 sccm 0.1 sccm, ≤1 slm and >100 sccm 1 sccm, ≤5 slm and >1 slm 0.01 slm, >5 slm


Maximum Pressure Resistance	2MPa
Environmental Conditions
Operating Temperature	0~50℃

Operating Humidity	10%~90% R.H. (No icing, no frost)
Operating Pressure ⁴	0~1MPa
Storage Temperature	-20~85℃
Electrical Parameters
Supply Voltage	DC8~24V
Power Consumption	≤250mW
Display Method	LCD screen (refresh rate 100ms) or host computer
Communication Interface
Interface Type	7-pin aviation connector

Analog Control	4~20mA (Optional)
Digital Control	RS485

Digital signal (RS485)
Interface Type	7-pin aviation connector

Communication Rate	9600 (default), 14400, 19200, 38400, 56000, 57600, 115200 (Can be modified via command or host computer)


Protocol	Modbus-RTU

Device Address	1 (default)~250 (Can be modified via command or host computer)

Mechanical Parameters
Connector Type	Ferrule: 8mm, 12mm, 1/4inch, 1/8inch Other Options

Gas Contact Material	Aluminum alloy, fluororubber, silicon dioxide

Main Body Material	Base: Aviation aluminum alloy (316L stainless steel optional for bulk orders) Housing: Aluminum alloy

Sealing Material	FKM fluororubber
Weight	0.30kg

Remarks:

●Unless otherwise specified, this product is calibrated under the following conditions: nitrogen, 25℃, 2.5bar differential pressure (inlet 3.5barA, outlet 1barA), horizontal placement.

●It is recommended to install a straight pipe section of appropriate size at the inlet, otherwise it may cause deviation in accuracy.

●It is recommended to match the largest possible connectors at the inlet and outlet to avoid causing additional pressure loss.

1. The shown range is the selectable range for nitrogen.

2. %F.S. refers to the percentage of error to the full scale.

3. Response time refers to the time required to reach ±2% of the set value.

4. Operating pressure refers to the differential pressure between the inlet and outlet.